Fig. 1

Forest plot of the results MLR and PSM showing adjusted OR with 95% C.I for the ICU mortality. Reported values are adjusted odds ratio (AOR), AOR below 1 indicates the decreased odds of mortality, and AOR above 1 indicates the increased odds of mortality. Vertical line indicates OR of 1- no significant difference between vaccinated and unvaccinated group. ♦ indicates adjusted odds ratio for each covariate. Horizontal line indicates lower and upper 95% confidence interval for the adjusted odds ratio for each covariate